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Compare price per unit across product sizes to find the best deal.
Compare only items of the same unit type (weight, volume or count) for a meaningful result. Currency doesn't matter — just use the same one for every option.
Compare products of different sizes and prices to find the best value. Enter the price and quantity (with units like g, kg, ml, L or count) for each option and instantly see the price per unit, ranked from cheapest to most expensive. Great for grocery shopping. Runs entirely in your browser.
The Unit Price Comparison Calculator helps shoppers instantly determine the best value by calculating and ranking the price per unit across different product sizes and prices. Operating entirely within the browser, it provides a fast, free, and private way to compare items without requiring any installation or account creation.
Good to know: This tool focuses strictly on unit price comparisons and is not designed for tracking price history over time or managing complex multi-store inventories.
Find the best value by comparing the price per unit of different product sizes and quantities.
Access the Unit Price Comparison tool
Open the calculator in your web browser to begin comparing product values. The tool runs locally and does not require an account for basic use.
Enter the price for each product
Input the total price for the first item you are comparing. Repeat this for each additional product option or size you wish to evaluate.
Input the quantity and select units
Enter the weight, volume, or count for each item using units like grams, kilograms, milliliters, or liters. Ensure you match the quantity to the specific price entered.
Review the calculated price per unit
The tool instantly calculates the cost per unit for every entry. Check the results to see which item offers the lowest cost per gram, liter, or count.
Identify the best value option
Compare the ranked results, which are organized from cheapest to most expensive. Use this data to choose the product with the best overall value for your grocery shopping.
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